831 species

Echinopora horrida

Dana, 1846


Lamarck, 1816

Characters: Colonies are composed of contorted branches, sometimes with flat laminar bases. Stands over 5 metres across and one metre high are not unusual. Corallites are 4-6 millimetres diameter, thick walled and have six thick primary septa. The coenosteum is covered with tall spinules.

Colour: Dark brown, cream or green.

Similar Species: Echinopora gemmacea, which does not form extensive branches. Echinopora mammiformis has a smooth coenosteum with distinctively coloured corallites.

Habitat: Forms large stands on protected horizontal substrates including shallow reefs and lagoons.

Abundance: Uncommon.

COTW History since Veron (2000a)
  • Family: All families are currently under review
  • Genus/species: No change